Stand for a high chair



FIG. 1 is a top view of an ornamental design for a stand for a high chair.

FIG. 2 is a perspective view of an ornamental design for a stand for a high chair.

FIG. 3 is a front view of an ornamental design for a stand for a high chair; and,

FIG. 4 is a side view of an ornamental design for a stand for a high chair. 

CLAIM The ornamental design for a stand for a high chair, as shown and described. 